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Page Title:
UNUSUAL NOISE OR VIBRATION - Continued |
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 TM9 4120-423-14&P
7.
UNUSUAL NOISE OR VIBRATION - Continued
(c)
Examine all parts and attaching hardware.
(d)
Check blower impellers for interference or being out of round (see WP0030).
(e)
Are parts firmly attached? Do impellers spin freely without wobble?
(1)
Tighten loose screws.
(2)
Install missing screws, clamps, and brackets.
(3)
Adjust position of impellers until they spin freely.
(4)
Change damaged parts.
(5)
Apply power.
TEST OR INSPECTION
Step 4. Check condenser section.
CORRECTIVE ACTION
(a)
Remove power.
(b)
Remove top cover, condenser (see WP0044).
(c)
Examine all parts and attaching hardware.
(d)
Check blower impeller for interference or being out of round (see WP0049).
(e)
Are parts firmly attached? Does impeller spin freely without wobble?
(f)
Check compressor mounting.
(1)
Tighten loose screws.
(2)
Install missing screws, clamps, and brackets.
(3)
Adjust position of impeller until it spins freely.
(4)
Change damaged parts.
(5)
Apply power.
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